name: Build Docker Images

on:
  release:
    types:
      - released
  workflow_dispatch:
    inputs:
      tag:
        description: "The tag version you want to build"
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Get commit to build
        id: ref
        run: |-
          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
            ref="${{ github.ref_name }}"
          else
            ref="${{ github.event.inputs.tag }}"
          fi
          echo "ref=$ref"
          echo "ref=$ref" >> $GITHUB_OUTPUT
          if [[ $ref == *"-"* ]]; then
            latest=latest-beta
          else
            latest=latest
          fi
          echo "latest=$latest"
          echo "latest=$latest" >> $GITHUB_OUTPUT
      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
        with:
          ref: ${{ steps.ref.outputs.ref }}
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Setup QEMU for Docker Buildx
        uses: docker/setup-qemu-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker metadata
        id: metadata
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/sagernet/sing-box
      - name: Build and release Docker images
        uses: docker/build-push-action@v6
        with:
          platforms: linux/386,linux/amd64,linux/arm64,linux/s390x
          context: .
          target: dist
          build-args: |
            BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
          tags: |
            ghcr.io/sagernet/sing-box:${{ steps.ref.outputs.latest }}
            ghcr.io/sagernet/sing-box:${{ steps.ref.outputs.ref }}
          push: true